CN217260907U

CN217260907U - Flexible pad pasting laminating device of 3D curved surface

Info

Publication number: CN217260907U
Application number: CN202220177994.4U
Authority: CN
Inventors: 雷臻
Original assignee: Shenzhen Ruide Intelligent Equipment Co ltd
Current assignee: Shenzhen Ruide Intelligent Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-23
Anticipated expiration: 2032-01-21

Abstract

The utility model provides a flexible pad pasting laminating device of 3D curved surface, including flexible steel band, front end deflector roll, rear end deflector roll, the flexible steel band is in make the membrane laminating under the traction of front end deflector roll and rear end deflector roll, the front end deflector roll is connected with front end adjusting part in order to pass through flexible steel band front end position is adjusted to front end adjusting part, the rear end deflector roll is connected with rear end adjusting part in order to pass through flexible steel band rear end position is adjusted to rear end adjusting part. The front end guide roller and the rear end guide roller are respectively used for adjusting the front end position and the rear end position of the flexible steel belt through the front end adjusting assembly and the rear end adjusting assembly, so that the film can be better attached to the film in place through the flexible steel belt, the operation and the adjustment are convenient, and the automatic batch production can be realized. And the flexible construction of steel band can be fit for very much and laminate in the 3D curved surface, makes the pad pasting can be inseparabler laminate on the 3D curved surface of product, is fit for the pad pasting laminating shaping of present electronic product curved surface screen.

Description

Flexible pad pasting laminating device of 3D curved surface

Technical Field

The utility model relates to a pad pasting equipment technical field, concretely relates to flexible pad pasting laminating device of 3D curved surface.

Background

With the development of the technology level, the performance and the quality of the mobile phone are greatly improved, and accordingly the value of the mobile phone is correspondingly improved. The value of a first-line brand mobile phone is usually as high as thousands of yuan or even more than ten thousand yuan, and the mobile phone is almost the most frequently used electronic product for people due to the universality and the usage habit of the mobile phone. Because the mobile phone is frequently used in different occasions or scenes, the mobile phone is easy to break, or dirty or damage, and therefore, the surface of the screen of the mobile phone is usually covered with a layer of adhesive film.

The existing film sticking equipment firstly sticks the film to a carrier or a jig, the carrier or the jig usually adopts an aluminum sheet or an aluminum strip, and when sticking the film, the film is stuck to the surface of a product through the aluminum sheet or the aluminum strip. The film sticking device is suitable for sticking straight films. However, curved films are emerging for many current products, such as mobile phones and vehicle-mounted display products, and the way of attaching the aluminum sheet or the aluminum tape is not favorable for the close attachment of the films. Thus, there is a need for improvements to existing film application devices to accommodate new film changes.

SUMMERY OF THE UTILITY MODEL

In view of this, a flexible pad pasting laminating device of 3D curved surface that operation regulation is convenient, pad pasting laminating is inseparable is provided.

The utility model provides a flexible pad pasting laminating device of 3D curved surface, includes flexible steel band, front end deflector roll, rear end deflector roll, flexible steel band is in make the membrane laminating under the traction of front end deflector roll and rear end deflector roll, the front end deflector roll is connected with front end adjusting part in order to pass through the front end adjusting part adjusts flexible steel band front end position, the rear end deflector roll is connected with the rear end adjusting part in order to pass through the rear end adjusting part adjusts flexible steel band rear end position.

Preferably, the flexible steel band has a first end and a second end, and the second end is connected with a rear end traction member, and the rear end traction member maintains a preset traction force on the flexible steel band so as to enable the flexible steel band to be in a tension state.

Preferably, the rear end traction member comprises a return spring or an automatic return telescopic cylinder.

Preferably, the second end penetrates through a rear clamping assembly, the rear clamping assembly is provided with a rear clamping piece for clamping the second end, the second end of the flexible steel strip is connected with the rear end traction piece through the rear clamping piece or is directly connected with the rear end traction piece, a sliding guide mechanism is arranged at the second end of the 3D curved surface flexible film pasting and laminating device and comprises a guide rail and a sliding block capable of sliding along the guide rail, and the rear clamping piece is installed on the sliding block.

Preferably, rear end adjusting part includes first vertical extensible member, first vertical extensible member is connected in order to adjust with the rear end deflector roll the height position of the second end of flexible steel band, rear end adjusting part still include first vertical lead the smooth piece and with first vertical extensible member is connected and is led gliding first slider on the smooth piece at first vertical, the rear end deflector roll adorn in on the first slider, first vertical extensible member is the cylinder.

Preferably, front end adjusting part includes the vertical extensible member of second, the vertical extensible member of second is connected in order to adjust with the front end deflector roll the height position of the first end of flexible steel band, front end adjusting part still include the second vertical lead the slide and with the vertical extensible member of second is connected and is gone up gliding second slider at the vertical guide slide of second, the front end deflector roll adorn in on the second slider, the rear end position that rear end adjusting part adjusted flexible steel band is higher than the front end position, the vertical extensible member of second is the cylinder.

Preferably, the front end adjusting assembly is further provided with a pressure adjusting assembly for adjusting and controlling the film pressing force of the front end guide roller, the pressure adjusting assembly comprises a pushing piece, a pressure driving piece and a guiding piece, the pushing piece is connected with the front end guide roller, the output end of the pressure driving piece is connected with the pushing piece and moves under the guiding of the guiding piece, and the pressure driving piece is an air cylinder.

Preferably, the front end of front end deflector roll is equipped with the tensioning regulating part, the tensioning regulating part includes tensioning deflector roll, slant guide and slant cylinder, slant cylinder output end is connected the tensioning deflector roll is in order to drive the tensioning deflector roll is along the motion of slant guide so that the flexible steel band keeps the tensioning state.

Preferably, the first end is positioned through a front end traction piece, the front end traction piece comprises a return spring or a screw rod assembly capable of driving a flexible steel belt to move, the first end penetrates through a front clamping assembly, the front clamping assembly is provided with a front clamping piece for clamping the first end, the first end of the flexible steel belt is connected with the front end traction piece through the front clamping piece or is directly connected with the front end traction piece, a guide mechanism is arranged at the first end of the 3D curved surface flexible film pasting and adhering device and comprises a guide rail and a sliding piece capable of sliding along the guide rail, the front clamping piece is installed on the sliding piece, the front end traction piece is connected with and drives a screw rod, and the sliding piece is installed on the screw rod through a sliding nut.

Preferably, the flexible pad pasting laminating device of 3D curved surface still includes the servo module of pad pasting, the servo module of pad pasting includes driving piece and saddle, front end adjusting part reaches the front end deflector roll is adorned on a preceding mounting panel, preceding mounting panel is adorned on the saddle, under the drive of driving piece the saddle drives front end adjusting part and the front end deflector roll carries out the pad pasting motion according to predetermined motion orbit.

This flexible pad pasting laminating device of 3D curved surface has front end deflector roll and rear end deflector roll to adjust flexible steel band front and back position through front and back end adjusting part respectively, for example to the adjustment of high position, so that target in place the pad pasting laminating through flexible steel band better, the operation is adjusted conveniently, can automatic batch production. Furthermore, because the steel belt is flexible, the flexible structure can be very suitable for being attached to the 3D curved surface, so that the film can be more tightly attached to the 3D curved surface of the product, and the flexible structure is suitable for film attachment forming of the curved surface screen of the conventional electronic product.

Drawings

Fig. 1 is the utility model discloses flexible pad pasting laminating device of 3D curved surface's spatial structure sketch map.

Fig. 2 is the utility model discloses the spatial structure sketch map of the flexible pad pasting laminating device of 3D curved surface does not have flexible steel band.

Fig. 3 is an enlarged structural view of a portion a in fig. 2.

Fig. 4 is another perspective three-dimensional structure schematic diagram of the flexible pad pasting laminating device of 3D curved surface without flexible steel band of the utility model.

Fig. 5 is an enlarged schematic view of a portion B of fig. 4.

Fig. 6 is an enlarged schematic view of a portion C in fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1-4, which illustrate a 3D curved surface flexible film laminating apparatus 100 and a local structure thereof provided by the embodiment of the present invention, including a flexible steel belt 10, a front end guide roller 11 and a rear end guide roller 12, the flexible steel belt 10 is pulled by the front end guide roller 11 and the rear end guide roller 12 to laminate a film, the front end guide roller 11 is connected to a front end adjusting assembly 20 to adjust the front end position of the flexible steel belt 10 through the front end adjusting assembly 20, and the rear end guide roller 12 is connected to a rear end adjusting assembly 30 to adjust the rear end position of the flexible steel belt 10 through the rear end adjusting assembly 30.

Specifically, the flexible steel strip 10 has a first end and a second end, in this embodiment, the first end is a film-attaching starting end, and the direction shown in fig. 1 is a left end, and the second end is a film-attaching terminal end. In the illustrated embodiment, a rear end pulling member 41 is connected to the second end, and the rear end pulling member 41 maintains a predetermined pulling force on the flexible steel band 10 to place the flexible steel band 10 in a tensioned state. Preferably, said rear end pulling member 41 comprises a return spring or an automatic return telescopic cylinder, the rear end pulling member 41 not being shown in the figures as extending to the position of the connecting steel strip 10. In the embodiment, the rear end traction piece 41 adopts the air cylinder which is self-traction, and no additional power is needed.

As shown in fig. 1, in the present embodiment, the 3D curved flexible film laminating apparatus 100 has a support frame including a support plate 101, the support plate 101 has a beginning end and an ending end, and the rear end pulling member 41 is disposed at the ending end of the support plate 101, i.e., the end near the end of the film.

Preferably, the second end of the flexible steel strip 10 passes through a rear clamping assembly 42, the rear clamping assembly 42 has a rear clamping member 43 for clamping the second end, and the second end of the flexible steel strip 10 is connected to the rear traction member 41 through the rear clamping member 43 or directly connected to the rear traction member 41, that is, the rear clamping member 43 is connected to the rear traction member 41, thereby displacing the flexible steel strip 10, or the rear traction member 41 is directly connected to the flexible steel strip 10. In the illustrated embodiment, the second end of flexible steel strip 10 passes through rear clamping member 43 and exposes a distal end, and rear pulling member 41, such as an air cylinder, is coupled to the exposed distal end of flexible steel strip 10.

As shown in fig. 3, in particular, the rear clamping member 43 includes an upper clamping member 431 and a lower clamping member 432 attached to each other, and the upper clamping member 431 and the lower clamping member 432 respectively have an anti-slip pattern on an attaching surface so as to clamp the second end of the flexible steel strip 10 in the rear clamping member 43. The upper and

lower clamping members

431 and 432 are detachably assembled to one body, and when the length of the flexible steel band 10 needs to be adjusted, the upper and

lower clamping members

431 and 432 can be released, so that the second end of the flexible steel band 10 is pulled towards or shortens the length of the exposed end.

Further, the 3D curved surface flexible film pasting device 100 is provided with a slide guiding mechanism at a second end position, the slide guiding mechanism includes a guide rail 45 and a sliding block 46 capable of sliding along the guide rail 45, and the rear clamping member 43 is mounted on the sliding block 46. Specifically, in the illustrated embodiment, the guiding and sliding mechanism has two guide rails 45 and two corresponding sliding blocks 46, which are arranged on the supporting plate 101 in parallel and parallel to the pulling direction of the rear end pulling member 41. The rear clamping piece 43 is in a strip shape, the length direction of the rear clamping piece is perpendicular to the traction direction of the flexible steel strip 10, the two sliding blocks 46 are respectively arranged at two ends of the rear clamping piece 43 in the length direction, sliding is enabled to be more balanced, and the flexible steel strip 10 is stably and uniformly dragged.

As shown in fig. 3 and 4, preferably, the rear end adjusting assembly 30 includes a first vertical expansion member 31, the first vertical expansion member 31 is connected to the rear end guide roller 12 to adjust the height position of the second end of the flexible steel strip 10, the rear end adjusting assembly 30 further includes a first vertical sliding member 33 and a first sliding member 34 connected to the first vertical expansion member 31 and sliding on the first vertical sliding member 33, the rear end guide roller 12 is mounted on the first sliding member 34, and the first vertical expansion member 31 is an air cylinder. The first slide 34 is a slide bar or slide block and the first vertical slide guide 33 is correspondingly a slide seat (as shown) or slide bar. Specifically, the rear end adjustment assembly 30 is mounted to the terminal end of the support plate 101 by two rear mounting plates 37, illustratively two slide mounts, i.e., first vertical guide slides 33, mounted to the rear mounting plates 37. A rear guide roller 16 is provided at the end of the terminal end of the support plate 101, and the second end of the flexible steel strip 10 is turned by 90 degrees from the rear guide roller 12 by the rear guide roller 16, that is, the flexible steel strip 10 is passed around the rear guide roller 16, passed through the rear clamping member 43, and then connected to the rear end pulling member 41. The first vertical guide 33 is mounted on the rear mounting plate 37. Further, a tension rear roller 15 is installed between the rear guide roller 16 and the rear end guide roller 12, and near the rear end guide roller 12. The flexible steel strip 10 is passed around the outside of the rear guide roll 12, then inside the post-tensioning roll 15 and then outside the rear guide roll 16.

As shown in fig. 4 and 5, preferably, the front end adjusting assembly 20 includes a second vertical telescopic member 21, the second vertical telescopic member 21 is connected with the front end guide roller 11 to adjust the height position of the first end of the flexible steel strip 10, the front end adjusting assembly 20 further includes a second vertical guide slider 23 and a second sliding member 24 connected with the second vertical telescopic member 21 and sliding on the second vertical guide slider 23, the front end guide roller 11 is mounted on the second sliding member 24, and the second vertical telescopic member 21 is an air cylinder. The first slide 34 is a slide bar or slide block, and the first vertical guide 33 is a slide seat (as shown in fig. 5) or a slide bar. A first vertical slide 33, such as a slide block, is mounted on the front mounting plate and a first slide 34 is a slide bar or plate. The leading end guide roller 11 is mounted on a roller plate 112, and the first slider 34 is attached to the roller plate 112.

Preferably, the front end adjusting assembly 20 is further provided with a pressure adjusting assembly for adjusting and controlling the pressure force of the front end guide roller 11 on the film, the pressure adjusting assembly comprises a pushing member 25 connected with the front end guide roller 11, a pressure driving member 26 and a guiding member 27, the output end of the pressure driving member 26 is connected with the pushing member 25 and moves under the guidance of the guiding member 27, the pressure driving member 26 is preferably an air cylinder, the guiding member 27 is preferably a guide rod, the guiding member 27 is slidably inserted into a sliding hole column 28, the sliding hole is opened in a transverse plate installed on the front installation plate, and the number of the guiding member 27 and the sliding hole column 28 is preferably two, so as to maintain the balance and stability of the pressure. The pushing member 25 is adjacent to the front end guide roller 11 and has a long telescopic stroke so as to apply proper pressure on the surface of the flexible steel strip 10 and control the film sticking force. The front end adjusting assembly 20 adjusts the front end guide roller 11 in place, and even when the film is located at the initial bonding position, the pressure driving member 26 drives the front end guide roller 11 downwards to press the film, so that the film is bonded on the surface of the product.

As shown in fig. 5 and 6, a tensioning adjustment member is further disposed at the front end of the front end guide roller 11, and the tensioning adjustment member includes a tensioning guide roller 51, an oblique guide 52 and an oblique cylinder 53, and an output end of the oblique cylinder 53 is connected to the tensioning guide roller 51 to drive the tensioning guide roller 51 to move along the oblique guide 52 so as to maintain the tension state of the flexible steel belt 10. The slant guide 52 slides under a slide 54 to diagonally tension the flexible steel strip 10, and since the flexible steel strip 10 is inclined from the second end to the leading end guide roller 11, a slant tension adjusting member is preferably used. The slide 54 is mounted inside the front mounting plate.

As shown in fig. 1 and 6, preferably, the first end is positioned by a front end pulling member, and the front end pulling member includes a return spring or a lead screw assembly capable of driving the flexible steel strip to move, in this embodiment, a lead screw assembly is adopted, and includes a motor 55, a lead screw 56 and a sliding nut 57. The first end passes through a front clamping assembly, the front clamping assembly is provided with a front clamping piece 65 for clamping the first end, the first end of the flexible steel strip 10 is connected with the front end traction piece through the front clamping piece 65 or is directly connected with the front end traction piece, the structure of the front clamping assembly is basically the same as that of the rear clamping assembly, and the front clamping assembly also comprises an upper clamping piece and a lower clamping piece, which are not described again. In this embodiment, the front end pulling member is associated with the front clamping member 65, specifically, the front clamping member 65 is mounted on the sliding plate 66, and the sliding plate 66 is connected with the sliding nut 57, so that the front clamping member 65 is driven to move by the front end pulling member. The 3D curved surface flexible film pasting device is provided with a guide mechanism at a first end position, the guide mechanism comprises a guide rail 61 and a sliding piece 62 capable of sliding along the guide rail 61, the front clamping piece is installed on the sliding piece 62, the front end traction piece is connected with and drives the screw rod 56, and the sliding piece 62 is installed on the screw rod 56 through a sliding nut 57. The sliding member 62 is connected to the sliding plate 66, but the front clamping member 65 may be directly mounted on the sliding member 62.

Between the front clamping member 65 and the front end guide roller 11, further between the tensioning guide roller 51 and the front clamping member 65, a front guide roller 14 is provided, the flexible steel belt 10 passes around the front guide roller 14 from the outside, passes around the inside of the tensioning guide roller 51, and then passes around the outside of the front end guide roller 11, and the portion of the flexible steel belt 10 between the front end guide roller 11 and the rear end guide roller 12 is substantially straight, of course, the section of the flexible steel belt 10 in this embodiment preferably presents a slope state with the rear end upward.

As shown in fig. 1, 5 and 6, preferably, the 3D curved flexible film laminating apparatus 100 further includes a film laminating servo module, the film laminating servo module includes a driving member 75 and a slider 76, the front end adjusting assembly 20 and the front end guide roller 11 are mounted on a front mounting plate 71, the front mounting plate 71 is mounted on the slider 76, and the slider 76 drives the front end adjusting assembly 20 and the front end guide roller 11 to perform a film laminating motion according to a predetermined motion trajectory under the driving of the driving member 75. Specifically, the film-coating servo module further comprises a servo slide rail 77, and the slider 76 is slidably mounted on the servo slide rail 77. The servo rail 77 is mounted on the bottom surface of the support plate 101 and is disposed along the length direction of the bottom surface. The flexible steel strip 10 is substantially parallel to the servo track 77, and the front guide roller 11 moves along the servo track 77 under the guidance of the servo track 77.

In practical applications, the rear guide roller 12 is adjusted to be slightly higher than the front guide roller 11 by the rear adjusting assembly 30, so that when the front guide roller 11 presses the flexible steel strip 10, the rear end of the flexible steel strip 10 is relatively lifted, and thus the rear end of the flexible steel strip 10, which is received by the rear guide roller 12, does not interfere with the surface of the product to be filmed. Of course, during the operation, the flexible steel strip 10 is adjusted by the rear guide roller 12, and the height can be properly controlled to adapt to the progress of the film sticking. For example, when the front guide roller 11 gradually approaches the rear guide roller 12, the rear adjustment assembly 30 adjusts the gradually lowered position of the rear guide roller 12 to be located at the height of the attachment of the film.

Therefore, during operation, the front end guide roller 11 and the rear end guide roller 12 respectively adjust the front end position and the rear end position of the flexible steel strip 10 through the front end adjusting assembly 20 and the rear end adjusting assembly 30, for example, the height position is adjusted, so that the film can be better attached in place through the flexible steel strip 10, the operation and the adjustment are convenient, and automatic batch production can be realized. Furthermore, as the steel belt is flexible, the flexible structure can be very suitable and attached to the 3D curved surface, the film can be attached to the 3D curved surface of the product more tightly by adjusting the position of the flexible steel belt 10 of the assembly during operation, the pressure can be adjusted by the pressure adjusting assembly, the film can be attached more tightly, the curved surface can be attached more firmly, and the flexible steel belt is suitable for film attachment forming of the curved surface screen of the conventional electronic product.

It should be understood that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and that various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a flexible pad pasting laminating device of 3D curved surface, its characterized in that, including flexible steel band, front end deflector roll, rear end deflector roll, flexible steel band is in make the membrane laminating under the traction of front end deflector roll and rear end deflector roll, the front end deflector roll is connected with front end adjusting part in order to pass through flexible steel band front end position is adjusted to front end adjusting part, the rear end deflector roll is connected with rear end adjusting part in order to pass through flexible steel band rear end position is adjusted to rear end adjusting part.

2. The 3D curved flexible film applicator of claim 1, wherein said flexible steel strip has a first end and a second end, said second end having a rear traction member attached thereto, said rear traction member maintaining a predetermined traction on said flexible steel strip to place said flexible steel strip in tension.

3. The 3D curved flexible film applicator of claim 2, wherein the rear traction device comprises a return spring or a self-returning retractable cylinder.

4. The 3D curved flexible film pasting device according to claim 2, wherein the second end passes through a rear clamping assembly, the rear clamping assembly has a rear clamping member for clamping the second end, the second end of the flexible steel band is connected to the rear traction member through the rear clamping member or directly connected to the rear traction member, the 3D curved flexible film pasting device is provided with a sliding guide mechanism at the second end, the sliding guide mechanism comprises a guide rail and a slide block capable of sliding along the guide rail, and the rear clamping member is mounted on the slide block.

5. The 3D curved surface flexible film pasting and laminating device according to claim 1, wherein the rear end adjusting assembly comprises a first vertical telescopic piece, the first vertical telescopic piece is connected with a rear end guide roller to adjust the height position of the second end of the flexible steel strip, the rear end adjusting assembly further comprises a first vertical sliding guide piece and a first sliding piece, the first sliding piece is connected with the first vertical telescopic piece and slides on the first vertical sliding guide piece, the rear end guide roller is installed on the first sliding piece, the rear end adjusting assembly adjusts the rear end position of the flexible steel strip to be higher than the front end position, and the first vertical telescopic piece is an air cylinder.

6. The 3D curved surface flexible film laminating device according to claim 1, wherein the front end adjusting assembly comprises a second vertical telescopic piece, the second vertical telescopic piece is connected with a front end guide roller to adjust the height position of the first end of the flexible steel strip, the front end adjusting assembly further comprises a second vertical sliding guide piece and a second sliding piece, the second sliding piece is connected with the second vertical telescopic piece and slides on the second vertical sliding guide piece, the front end guide roller is mounted on the second sliding piece, and the second vertical telescopic piece is an air cylinder.

7. The device for sticking the 3D curved flexible film onto the 3D curved surface according to claim 6, wherein the front end adjusting assembly is further provided with a pressure adjusting assembly for adjusting and controlling the pressing force of the front end guide roller on the film, the pressure adjusting assembly comprises a pushing member, a pressure driving member and a guiding member, the pushing member, the pressure driving member and the guiding member are connected with the front end guide roller, the output end of the pressure driving member is connected with the pushing member and moves under the guidance of the guiding member, and the pressure driving member is an air cylinder.

8. The 3D curved flexible film pasting device according to claim 1, wherein a tensioning adjustment member is provided at the front end of the front end guide roller, the tensioning adjustment member comprises a tensioning guide roller, an oblique guide member and an oblique cylinder, and the output end of the oblique cylinder is connected to the tensioning guide roller to drive the tensioning guide roller to move along the oblique guide member to keep the flexible steel belt in a tensioned state.

9. The 3D curved flexible film pasting device according to claim 2, wherein the first end is positioned by a front end pulling member, the front end pulling member comprises a return spring or a lead screw assembly capable of driving a flexible steel band to move, the first end passes through a front clamping assembly, the front clamping assembly comprises a front clamping member for clamping the first end, the first end of the flexible steel band is connected with the front end pulling member through the front clamping member or directly connected with the front end pulling member, the 3D curved flexible film pasting device is provided with a guiding mechanism at the first end position, the guiding mechanism comprises a guiding track and a sliding member capable of sliding along the guiding track, the front clamping member is mounted on the sliding member, the front end pulling member is connected with and drives a lead screw, and the sliding member is mounted on the lead screw through a sliding nut.

10. The 3D curved flexible film pasting device according to claim 1, wherein the 3D curved flexible film pasting device further comprises a film pasting servo module, the film pasting servo module comprises a driving member and a sliding member, the front end adjusting assembly and the front end guide roller are mounted on a front mounting plate, the front mounting plate is mounted on the sliding member, and the sliding member drives the front end adjusting assembly and the front end guide roller to perform film pasting movement according to a predetermined movement track under the driving of the driving member.